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Synonyms

astounding

American  
[uh-stoun-ding] / əˈstaʊn dɪŋ /

adjective

  1. capable of overwhelming with amazement; stunningly surprising.

astounding British  
/ əˈstaʊndɪŋ /

adjective

  1. causing amazement and wonder; bewildering

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • astoundingly adverb

Etymology

Origin of astounding

First recorded in 1580–90; astound + -ing 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It’s been astounding,” says Burden of the book’s sudden success.

From Los Angeles Times

The tactical skill with which our aviators and missile defenders are using advanced U.S. tech is astounding.

From The Wall Street Journal

With 67,000 subscribers in 166 countries and growing, the Lim sisters are mixing Gen Z humor and exuberance with astounding erudition to bring ballet to a new generation and fire up older, longtime fans.

From Los Angeles Times

Whatever your arts craving may be, this astoundingly rich new lineup of new local museums has you covered.

From Los Angeles Times

Then there is the lack of data: Visual images, audio and text have been stored in astounding quantities on the internet for decades, giving AI lots of raw material to train on.

From The Wall Street Journal

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.